| INTRODUCTION to the Callisto source data |
Callisto has now been visited by five spacecraft:
|
Mission |
Closest encounter date(s) |
Type of encounter |
Significant Callisto discoveries |
Closest approach (km) |
Best image resolution |
| Pioneer 10 |
3 December 1973 |
flyby |
-- |
-- |
no images |
| Pioneer 11 |
2 December 1974 |
flyby |
-- |
787,000 |
391 km |
| Voyager 1 |
5 March 1979 |
flyby |
Heavily cratered ancient surface |
126,000 |
2 km |
| Voyager 2 |
9 July 1979 |
flyby |
-- |
215,000 |
4 km |
| Galileo |
7 December 1995 to 31 December 1999 |
Jupiter orbiter |
homogeneous internal structure |
416 (encounter C9) |
29 m |
The global geology map of Callisto is based on data from the Voyager 1 and Voyager 2 missions. See introduction in map text for additional mapping source data information.
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